Patentable/Patents/US-20250304219-A1
US-20250304219-A1

Solar Float (SF) as Hard-Top (HT) on an Electric Motor Boat (EMB) and visa versa

PublishedOctober 2, 2025
Assigneenot available in USPTO data we have
Inventorsnot available in USPTO data we have
Technical Abstract

Disclosed are new uses to an SF and to a HT. Novelty is first the new use to launch the HT into the water, becoming the SF and to increase desired weather influence on the EMB and increase balance of the combination of the EMB and the SF. Novelty is second the new use of the SF by introduction of elevation out of the water and onto the EMB becoming the HT and closing the EMB or providing shield against weather influence for passengers or reducing the mooring space needed for the combination of SF and the EMB.

Patent Claims

Legal claims defining the scope of protection, as filed with the USPTO.

1

. A process transforming a Hard Top into a Float, which may comprise the steps of:

2

. The inversion of the process ofwhich may comprise the steps of:

Detailed Description

Complete technical specification and implementation details from the patent document.

Electric propulsion offers key features in the maritime sector like noise reduction and absence of toxic exhaust. Usage improves with reduction of range anxiety. Solar panels combined with battery storage increases range and reduces need for docking for charging. This invention provides a solution to benefit from solar panels and avoid that these cover off the boat when not desired and avoid long structures of boat and solar float tow when needed.

An EMB may need more solar panel surface than surface available on an EMB. Related art offers floats and hard tops with solar panels (photovoltaic). Each helps to provide necessary energy. It brings disadvantages however. A solar float may increase the length of the total structure limiting its use and generate more mooring costs. A hard top puts boat passengers in permanent shadow and may bring the structure out of balance in certain weather conditions.

A solution is a float filled with solar panels, a Solar Float (SF) that can be used as a Hard Top (HT) and visa versa. New use is to first launch the HT into the water, becoming the SF and to increase desired weather influence on the EMB and increase balance of the combination of the EMB and the SF. New use is also to elevate the SF out of the water and onto the EMB becoming the HT and closing the EMB or providing shield against weather influence for passengers or reducing the mooring space needed for the combination of SF and the EMB.

With solar panels attached on the HT the SF serves to provide solar energy to the boat.

With either solar panels or any other covering material attached the HT serves to reduce weather influences on the boat or the opposite of increasing (desired) weather influence on the boat when desired either way.

The weight of the SF stays within limits of a safe center of gravity of the EMB in HT position.

The created flexibility on where to position the SF:

The invention is capable of other embodiments and of being practices and carried out in various ways. Also, it is to be understood that the phraseology and terminology employed herein are for the purpose of description and should not be regarded as limiting.

While this version of the invention has been illustrated and described in detail in the drawings and foregoing description, the same is to be considered as illustrative and not restrictive in character, it being understood that only the preferred embodiment has been shown and described and that all changes and modification that come within the spirit of the version of the invention are desired to be protected. With respect to the above description then, it is to be realized that the optimum dimensional relationships for the parts of the invention, to include variations in size, materials, shape, form, function and manner of operation, assembly and use, are deemed readily apparent and obvious to one skilled in the art, and all equivalent relationships to those illustrated in the drawings and described in the specification are intended to be encompassed by the present invention.

Patent Metadata

Filing Date

Unknown

Publication Date

October 2, 2025

Inventors

Unknown

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Cite as: Patentable. “Solar Float (SF) as Hard-Top (HT) on an Electric Motor Boat (EMB) and visa versa” (US-20250304219-A1). https://patentable.app/patents/US-20250304219-A1

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